JP2000000181A - Hand dryer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent water in a water case from being agitated and overflowing due to air currents blown out from a blowout opening, prevent water from straying in the bottom of a body housing and discharge water smoothly to the opening side. SOLUTION: A hand dryer where air is drawn into a blower block 6 via a suction opening 1 and an air course 2 and blown out to a hand insertion section 3 from the blowout opening 7 and dries the hands. A water receiving case 15 is arranged at the lower portion of the body housing 8. An opening 17 is provided at the bottom of the body housing 8 below the hand insertion section 3. A groove 23 communicating with the opening 17 is formed below the opening 17. A water discharge opening 24 for discharging water flowing into the groove 23 from the opening 17 to a water receiving case 15, is made laterally.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a wind inlet,
The present invention relates to a hand-drying device that is drawn into a blower block via an air path, blows air from a blow-out port to a hand insertion unit, and dries hands and the like.

[0002]

2. Description of the Related Art Conventionally, there is known a hand drying apparatus in which wind is drawn into a blower block via an air inlet and an air passage, and blows air from an outlet to a hand insertion portion to dry hands and the like. . A water receiving case is provided at a lower portion of the main body housing of the hand drying device, and when the wet hand is put into the hand insertion portion to dry the water, the water attached to the hand is provided at an opening provided at the bottom of the main body housing. From directly into the water receiving case. That is, the upper opening of the water receiving case directly communicates with the opening provided at the bottom of the main body housing, and water flows directly into the water receiving case from the opening at the bottom of the main body housing.

However, in the conventional example having the above-described structure, the airflow blown out from the blowout port impinges on the surface of the stored water in the water receiving case from the opening and makes the water flow, and the water level rises. There is a problem that when it gets higher, it spills out of the water receiving case due to the wavy surface of the water. In addition, since the bottom of the main housing is conventionally flat, the water that has flowed to the bottom of the main housing is difficult to flow to the opening, and water remains at the bottom, which is scattered by airflow and scattered outside. Was.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and does not cause water in a water receiving case to wave and overflow outside due to an air current blown out from an outlet. It is another object of the present invention to provide a hand drying device capable of smoothly draining water to the opening without water remaining at the bottom of the main body housing.

[0005]

In order to solve the above-mentioned problems, in the hand drying apparatus according to the present invention, the wind is drawn into the blower block 6 through the suction port 1 and the air passage 2, and the air is blown out from the blowout port 7. A hand drying device that blows air to the hand insertion section 3 to dry hands, wherein a water receiving case 15 is provided at a lower portion of the main body housing 8, and an opening is formed at a bottom of the main body housing 8 below the hand insertion section 3. 17, a groove 23 communicating with the opening 17 is formed below the opening 17, and water flowing into the groove 23 from the opening 17 is drained to the water receiving case 15 at an end of the groove 23. The drainage port 24 is opened laterally, and by such a configuration, a wet hand is inserted into the hand insertion portion 3 and blown out from the outlet 7. When drying with air currents, water adhering to Blown in the bottom of the Ujingu 8,
The water flows from the opening 17 into the groove 23, and further flows through the groove 23 toward the drain port 24 at the end of the groove 23 by airflow, and flows down into the water receiving case 15 from the drain port 24 that opens laterally. And is collected in the water receiving case 15. For this reason, the airflow blown out from the outlet 7 does not directly hit the surface of the water accumulated in the water receiving case 15, and the water in the water receiving case 15 is prevented from waving.

Further, a plurality of openings 17 are provided at the bottom of the main body housing 8 below the hand insertion portion 3 so that
A portion between the openings 17 at the bottom of the main body is formed as a mountain-shaped inclined portion 50 inclined so that the opening 17 side is downward, and the peripheral portion of the plurality of openings 17 at the bottom of the main body housing is arranged such that the opening 17 side is downward. The inclined surface 51 is preferably inclined. With such a configuration, the water that has fallen to the bottom of the main body housing 8 smoothly flows into the opening 17 by the air current along the angled inclined portion 50 and the inclined surface 51, and may scatter outside. Not something.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the accompanying drawings.

The hand drying device includes a main body housing 8 opened to the back, a back plate 9 arranged at a rear opening of the main body housing 8 and attached to the main body housing 8 by screws 14, and a water attached to a lower part of the main body housing 8. An outer shell is constituted by the receiving case 15. The main body housing 8 is configured by combining an upper housing body 8a and a lower housing body 8b, and a lower part of the lower housing body 8b is provided with a recess 16 which is recessed downward. Is provided with a plurality of openings 17, and in the embodiment shown in the accompanying drawings, openings 17 which are elongated in the left-right direction are provided at the front and rear of the bottom. Here, as shown in FIG. 2, the portion between the openings 17 at the bottom of the recess 16 is the opening 1
The bottom surface of the recess 16 has a plurality of openings 17 at the bottom of the recess 16 and the peripheral surface of the plurality of openings 17 is inclined such that the openings 17 are at the bottom.
It is 1.

As shown in FIG. 6, a support portion 18 having an L-shaped cross section is provided on the lower housing body 8b in the front-rear direction, and the locking portion 19 of the water receiving case 15 is attached to the support portion 18 in the front-rear direction. Water catching case 15
Is attached to the lower housing body 8b so as to be able to be pulled out frontward. The detachable button fixing member 3 is provided at the lower end of the rear plate 9.
The detachable button 36 is provided on the detachable button fixing member 34 so as to be vertically movable so as to be urged downward by a spring 35. A hook 37 is provided on the attachment / detachment button 36. When the water receiving case 15 is attached to the lower surface side of the lower housing body 8b by slidingly locking the locking portion 19 to the support portion 18, the hook 37 is attached to the water receiving case. The water receiving case 15 is locked to a locking piece 38 provided on the lock 15 so that the water receiving case 15 cannot be pulled out due to mischief or the like. That is, the water receiving case 15 can be pulled out and removed only when the attachment / detachment button 36 is pressed against the spring 35 and the hook 37 is removed from the locking piece 38.

[0010] As shown in FIG.
A water receiving portion 20 as a portion for receiving water and a cylindrical passage 46 constituting the suction port 1 are provided.
A filter frame 21 is attached to the upper portion of the filter frame 21, and a ventilation hole 44 is provided in the filter frame 21. The filter 22 is mounted in the ventilation hole 44. The lower end of the cylindrical passage 46 is formed with a slit 1a which is open downward and laterally, from which external air is sucked. The upper end opening of the cylindrical passage 46 constituting the suction port 1 communicates with the ventilation hole 44 of the filter frame 21. As shown in FIG. 7, a rib 45 projects upward from the periphery of the vent hole 44 and surrounds the filter 22 mounted in the vent hole 44. Even when the water becomes full, the water overflowing due to the presence of the rib 45 is not transferred to the side of the ventilation hole 4 in which the filter 22 is mounted. Further, the filter frame 21 is provided with elongated grooves 23 in the front and rear portions in the left-right direction.
5 is attached to the lower surface side of the lower housing body 8b,
The left and right elongated openings 17 provided at the front and rear portions of the lower portion of the lower housing body 8b and the horizontally elongated concave grooves 23 provided at the front and rear portions of the filter frame 21 face and communicate with each other. It has become. As shown in FIGS. 6, 7, and 8, at least one end (that is, one or both of the left end and the right end) in the longitudinal direction of the concave groove 23 is opened to the side and serves as a drain port 24. ing. Filter frame 21
At a position slightly outside the drain port 24 at both ends of the concave groove 23 on the lower surface, a water splash preventing rib 54 facing the drain port 24 with a small gap 53 therebetween is provided.

As shown in FIG. 1, a hand insertion portion 3 for inserting a hand from the front is provided at a central portion of the main body housing 8, and the side of the hand insertion portion 3 on the front surface of the main body housing 8 (see FIG. 1). In the embodiment shown in FIG. 1, a protruding portion 25 is provided on both sides), and the inside of the protruding portion 25 is a hollow passage to constitute the air passage portion 2. When the water receiving case 15 is attached as described above, the lower end opening of the air passage 2 communicates with the filter 22. The upper portion of the air passage 2 opens into the upper housing body 8a. A blower block 6 is provided inside the upper housing body 8a. Blower block 6
Is a blower motor 4 having a fan in a blower case 5 via a blower motor holding member 26 made of independent foam rubber or the like and having an anti-vibration and sound-proof effect, a heater 26, an outlet 7,
The sound absorbing member 80 is attached.

A screw boss 13 is integrally formed on the rear surface of the blower case 5 so as to protrude rearward. The front end of the screw boss 13 is directed toward the inside (front side) of the blower case 5. It is protruding. The screw boss 13 has a female screw 1
3a is engraved, and the female screw portion 13a is
(That is, the back end of the female screw portion 13a is located forward of the blower case 5). The blower case 5 is attached to the back plate 9 using the fixture 10 via the washer 32. In this case, in fixing the blower case 5 to the back plate 9 by the fixture 10,
The fixing device 10 and the back plate 9 are fixed via an elastic holding portion 11 made of an elastic material such as rubber or synthetic resin having elasticity so as not to contact the back plate 9.

An annular rib 12 is provided on the inner surface of the front part of the main body housing 8. The front part of the blower case 5 is fitted into the rib 12 so that the front part of the blower case 5 is attached to the front part of the main body housing 8. Positioning is maintained. By positioning and holding the front portion of the blower case 5 on the main body housing 8 in this manner, the blower case 5 can be supported not only by the fixing device 10 on the back side as described above but also by the ribs 12 on the front side. It is possible to prevent a sudden stress from being applied to the fixing portion by the fixing tool 10.

The outlet 7 is opened at the upper surface of the hand insertion portion 3 formed at the center of the main body housing 8 and opening at the front. The outlet 7 has a long slit in the front-rear direction as shown in FIG. Multiple holes 7a in the left-right direction (for example, 5 rows)
It is configured by arranging.

A human body detection sensor 38 is provided above the inner wall of the hand insertion section 3 of the main housing 8. The main body housing 8 has a power switch 3 as shown in FIG.
9, a heater on / off switch 40, and an air volume changeover switch 41 for selecting the intensity of the air volume.

As shown in FIG. 2, the hand dryer having the above-described structure is mounted on a wall 48 by using a mounting bracket 49. In this case, in the present invention, the blower block 6 Since the reaching air passage portion 2 is provided on the side of the hand insertion portion 3 of the main body housing 8, the length M of the protrusion from the wall 48 in FIG. This allows a large degree of freedom in the range of motion of the hand during the movement.

When the wet hand is inserted into the hand insertion section 3, the human body detection sensor 38 detects the hand, and energizes the blower motor 4 and the heater 26, sucks the wind from the suction port 1, and cleans the air path section 2. The air is drawn into the blower block 6 and heated by the heater 26, and the heated air is blown out from the blowout port 7, thereby drying the wet hand inserted into the hand insertion section 3. In this case, the hot air blows on the water adhering to the hand to evaporate, and a part of the water is in the lower part of the main housing 8, that is, the lower housing body 8b.
Of the lower housing body 8b.
7 flows into the groove 23, and is blown to the end side of the groove 23 by wind blown from above, and flows from the drain port 24 at the longitudinal end of the groove 23 into the water receiving case 15 and is stored. It is.

In this case, the airflow blown out from the blowout port 7 blows through the opening 17 provided at the bottom of the lower housing body 8b, and this airflow hits the bottom of the groove 23 and water flows along the groove 23. The water flows to the drain port 24 that opens to the side of the end in the longitudinal direction, and is blown directly into the water receiving case 15 from the opening 17 to blow the water surface of the water stored in the water receiving case 15. It does not make the water surface rippling. Therefore, when the water level is high, the air current does not swell the water surface and the water does not overflow from the water receiving case 15. by the way,
When the water receiving case 15 is almost full, there is a possibility that the water surface may undulate due to the air current. However, even in such a case, by providing the water rebound preventing rib 54, the water can be recessed from the drain port 24 by waving. Returning to the groove 23, the opening 17
The water rebound preventing rib 54 can prevent water from flowing out of the space.

The water that has accumulated in the water receiving case 15 can be discarded by pulling the water receiving case 15 forward and taking it out. By the way, when the wet hand is inserted into the hand insertion portion 3 and the water is dried as described above while the water receiving case 15 is removed, even if the water flows into the opening 17, the water remains below the opening 17. Because there are no components,
The water that has flowed into the opening 17 only flows downward as it is, and does not scatter to the front where the user is located, so that the water is not applied to the user.

In the case where the suction port 1 is not provided inside the water receiving case 15 but is provided in a concave step portion 15a provided at the lower portion of the central portion of the water receiving case 15 shown in FIG. A filter 22a for filtering air may be provided at a position indicated by 2b.

[0021]

According to the first aspect of the present invention, the wind is drawn into the blower block via the suction port and the air passage, and the wind is blown out from the outlet to the hand insertion portion, so that the hand is released. A hand drying device for drying, wherein a water receiving case is provided at a lower portion of the main body housing, an opening is provided at a bottom of the main body housing below the hand insertion portion, and a concave groove communicating with the opening below the opening. A drain port for draining the water flowing into the groove from the opening into the groove at the end of the groove is opened to the side, so that the wet hand in the hand insertion portion is formed. When inserted and dried by the airflow blown out from the outlet, water attached to the hand is blown off to the bottom of the main body housing, flows from the opening to the groove, and further drains the end of the groove by the airflow through the groove. Water flows to the mouth side, and the drain The water flows down into the case and accumulates in the water receiving case, and as a result, the airflow blown out from the outlet does not directly hit the surface of the water accumulated in the water receiving case, and the water in the water receiving case is discharged. Rippling is prevented, and it is possible to prevent water from spilling out of the water receiving case due to undulating water and wetting the surroundings.

According to the second aspect of the present invention, in addition to the effects of the first aspect, a plurality of openings are provided at the bottom of the main body housing below the hand insertion portion, and The portion between the openings at the bottom is a mountain-shaped inclined portion inclined so that the opening side is downward, and the peripheral portion of the plurality of openings at the bottom of the main body housing is an inclined surface inclined such that the opening side is downward. Therefore, the water that has fallen to the bottom of the main body housing smoothly flows into the opening by the airflow along the angled slope and the inclined surface, and water remains at the bottom, which is blown out by the airflow and scattered outside. There is no such thing.

[Brief description of the drawings]

FIG. 1 is a perspective view of the present invention.

FIG. 2 is a sectional view of the same.

3 is a cross-sectional view of the same, where the left half is cut away along the line AA in FIG. 2 and looks down, and the right half is cut off along the line AA in FIG. FIG.

FIG. 4 is a plan view of a water receiving case used in the first embodiment, and a right half shows a state where a filter frame is superimposed thereon.

FIG. 5 is a side sectional view of a water receiving case used in the embodiment.

FIG. 6 is a sectional view of a portion where a water receiving case is attached to the lower housing body according to the first embodiment.

FIG. 7 is an essential part perspective view showing an opening and a concave groove of the above.

FIG. 8 is a plan view of the same filter frame.

FIG. 9 is a bottom view of the outlet.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Suction port 2 Air path part 3 Hand insertion part 5 Blower case 6 Blower block 7 Outlet 8 Body housing 15 Water receiving case 17 Opening 23 Depression groove 24 Drainage port 50 Mountain-shaped inclined part 51 Slope

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[Procedure amendment]

[Submission Date] November 30, 1998 (1998.11.
30)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0010

[Correction method] Change

[Correction contents]

[0010] As shown in FIG.
A water receiving portion 20 as a portion for receiving water and a cylindrical passage 46 constituting the suction port 1 are provided.
A filter frame 21 is attached to the upper portion of the filter frame 21, and a ventilation hole 44 is provided in the filter frame 21. The filter 22 is mounted in the ventilation hole 44. The lower end of the cylindrical passage 46 is formed with a slit 1a which is open downward and laterally, from which external air is sucked. The upper end opening of the cylindrical passage 46 constituting the suction port 1 communicates with the ventilation hole 44 of the filter frame 21. As shown in FIG. 4 , a rib 45 protrudes upward from the periphery of the ventilation hole 44 to surround the filter 22 mounted in the ventilation hole 44. Even when the water becomes full, the water overflowing due to the presence of the ribs 45 is not transferred to the vent hole 44 side where the filter 22 is mounted. Further, the filter frame 21 is provided with a long and narrow groove 23 in the front and rear portions in the left-right direction. The water receiving case 15 is attached to the lower surface of the lower housing body 8b. A horizontally elongated opening 17 provided in a lower front portion and a rear portion, respectively, and a horizontally elongated groove 23 provided in a front portion and a rear portion of the filter frame 21 face and communicate with each other. As shown in FIGS. 6, 7, and 8, at least one end (that is, one or both of the left end and the right end) of the concave groove 23 in the longitudinal direction is opened to the side and serves as a drain port 24. ing. Water rebound preventing ribs 54 are provided at positions slightly outside the drain ports 24 at both ends of the concave groove 23 on the lower surface of the filter frame 21 so as to oppose the drain ports 24 with a small gap 53 therebetween.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction contents]

As shown in FIG. 1, a hand insertion portion 3 for inserting a hand from the front is provided at a central portion of the main body housing 8, and the side of the hand insertion portion 3 on the front surface of the main body housing 8 (see FIG. 1). In the embodiment shown in FIG. 1, a protruding portion 25 is provided on both sides), and the inside of the protruding portion 25 is a hollow passage to constitute the air passage portion 2. When the water receiving case 15 is attached as described above, the lower end opening of the air passage 2 communicates with the filter 22. The upper portion of the air passage 2 opens into the upper housing body 8a. A blower block 6 is provided inside the upper housing body 8a. Blower block 6
Antivibration formed independently foamed rubber or the like, blanking with soundproof
A blower motor 4 having a fan in the blower case 5 via a lower motor holding member 59 , a heater 26, an outlet 7,
The sound absorbing member 80 is attached.

[Procedure amendment 3]

[Document name to be amended] Drawing

[Correction target item name] Figure 2

[Correction method] Change

[Correction contents]

FIG. 2

[Procedure amendment 4]

[Document name to be amended] Drawing

[Correction target item name] Fig. 6

[Correction method] Change

[Correction contents]

FIG. 6

Continued on the front page (72) Inventor Hiroshi Namba 1048 Kadoma, Kadoma, Osaka Prefecture Inside Matsushita Electric Works, Ltd. (72) Inventor Takashi 1048 Kadoma, Kazuma, Kadoma, Osaka Prefecture Inside Matsushita Electric Works, Ltd.

Claims (2)

[Claims] 1. A hand drying device for drawing air into a blower block through an air inlet and an air passage, and blowing air from an air outlet to a hand insertion portion to dry hands. A water receiving case is provided, an opening is provided at the bottom of the main body housing below the hand insertion portion, a concave groove communicating with the opening is formed below the opening, and an end of the concave groove is formed from the opening. A hand drying device characterized in that a drain port for draining water flowing into the concave groove into a water receiving case is opened to the side. 2. A plurality of openings are provided at the bottom of the main body housing below the hand insertion portion, and a portion between the openings at the bottom of the main body housing is formed as a mountain-shaped inclined portion inclined so that the opening side is downward. 2. The hand dryer according to claim 1, wherein a peripheral portion of the plurality of openings at the bottom of the housing is formed as an inclined surface such that the opening side faces downward.